Regulator for oil-burners.



n. A. UHLINE, REGULATOR FOR OIL BURNERS.

APPLICATION FILED NOV- I3. 1916.

1,217,538. Patented Feb. 27, 1917.

. the intake tube,

RICHARD A. 'UHLIN, 0F SEATTLE, WA$HINGTON.

REGULATOR FDR OIL-BURNEBS.

Specification of Letters Patent.

Patented Feb. 27, 1917..

Application filed November 13, 1916.-*Seria1 No. 131,115.

To all whom it may concern:

Be it known that I, RICHARD A. UHLIN, a

citizen of the United States, residing at Seattle, in the county of King and State of \Vashington, have invented certain new and useful Improvements in Regulators for Oil-Burners, of which specification.

This invention relates in general to oil burners, and particularly to that class of oil burners which are adapted to be lothe following is a cated in stoves to furnish heat for cooking and other purposes, and its object is to control the admission to the mixing chamber, of air mingled with oil vapor.

To this end, my invention consists in the construction and combination of parts forming a regulator for oil burners here-' inafter more fully described and particularly stated in the claims, reference being .had to the accompanying drawing in one view, which represents a vertical section, partly in side elevation of a regulator for oil burners according to my invention.

Numeral 1 represents the inner wall, 2 and 3 the outer wall of the mixing chamber. This chamber is mounted on legs one of which is shown at 4, standing in the base pan 5. A pipe 6, located around the base of the mixing chamber, receives oil from a supply source, and, curving downward at 7 enters the side of the tip 8, which terminates in a nozzle 9, having a fine outlet that delivers a jet 10 of vaporized oil centrally into the intake tube 2.

The intake tube has a. removable lining 11, which is screwed rigidly into the upper side of an air tube 12 which is open at both ends. The tip 8, shown, is of that class in. which a needle within the nozzle 9, cleans that passage by operating the lever 13 of the small rod that passes through the screw cap 14, binding nut 15 and branch 16 into the tip. I

A screw nut 17, serves-as a removable pan to gather and take out any debris it may gather from the oil. The tip 8, is shaped in cylindrical form at 18 with a true shoulder 19, upon which the air tube 12, fits closely yet removably.

The outer wall 3, of the mixing chamber is of thin material having many perforations 20.

In operation, the oil in the pipe 6-7, is started to vaporizing by heat from alcohol burning in the pan 5, and its expansion drives it, as a jet 10, up into the intake tube 211, drawing air in at the ends of the air tube 12, and the air and vapor, when mixed in due proportions, become the highly inflammable gas that, pressing out through the apertures 20, ignitein, a flame of intense heat.

No claim is herein made to the matters thus far described, but my invention pertains to mixing the air and vapor in due proportions by the means described as follows:

A cap 21, is closely, yet removably fitted upon the outer wall 3. A regulator 22, preferably of thin metal, in form nearly parallel with the under side of the cap, is suspended from the cap by means of a screw 23, that passes through the cap. A binding nut 24, may fasten the screw when set, andv a screw 25, or similar means rigidly secures the regulator to the screw 23.

This kind of oil burners is usually fed from an oil tank through a pipe so small it is called hollow wire, the oil being forced through by means of air pumped into the tank at a pressure usually of 20 to 40 lbs. per square inch area. A valve is usually provided whereby more or less ?oil may be permitted to flow at any pressure, to increase Or decrease the heat of the burner. To admit the proper amount of air at alltimes to produce perfect combustion the color of the flame is the guide, and turning the screw 23, up or down is the means employed. Supposing a clear blue flame to be the best, if the screw 23 be turned downward from the point producing it, the flame gradually approaches dense yellow and finally smokes. be turned upward from the blue flame point the flame gradually fades and is finally blown out and the oil should be immediately shutoff.

Regulators of different forms, thus located, may give fair results, but the broad, downward facing, concave form herein shown, and serving to increase or decrease the working space in the chamber, is the best I have yet tried.

I claim:

1. In a regulator for oil burners, a mixing chamber comprising a floor, an" intake tube rising in the center thereof, a perforated outer wall at, the outer edge of the floor, an inner wall rising from the floor near the outer wall; an internally concave cap fitting closely upon the said outer wall If the screw and having a ring portion depentling between the inner Wall and the intake tube; a regulator concave in the under side and loosely fitting the inner face of the cap, and a connection passing up through the cap for adjusting the regulator.

2. In a regulator for oil burners, a mixing chamber comprising a floor, a perforated outer Wall, an inner Wall and an intake tube rising from the floor; an inter- In testimony whereof I afi'ix my signature 15 in presence of two Witnesses.

RICHARD A. UHLIN. Witnesses:

W. C. MITCHELL, E. F. ZIMMERMANN.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. 

